7x+4=12+5x

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Solution for 7x+4=12+5x equation: 



7x+4=12+5x

We move all terms to the left:

7x+4-(12+5x)=0

We add all the numbers together, and all the variables

7x-(5x+12)+4=0

We get rid of parentheses

7x-5x-12+4=0

We add all the numbers together, and all the variables

2x-8=0

We move all terms containing x to the left, all other terms to the right

2x=8

x=8/2

x=4

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